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|
:
eval 'exec perl -S $0 ${1+"$@"}'
if $running_under_some_shell;
##
## apapi_compat.h.mk
##
# configuration
$config = "./rename.cf";
$header = "./apapi_compat.h";
# read config file into hash
%PREFIX = ();
%SUBST = ();
open(CFG, "<$config") || die;
while (<CFG>) {
s|\n$||;
next if (m|^\s*#.*| or m|^\s*$|);
if (($symbolic, $real) = m|^\s*(\S+)\s*=\s*(\S+)\s*$|) {
$PREFIX{$symbolic} = $real;
}
elsif (($old, $new) = m|^\s*(\S+)\s+(\S+)\s*$|) {
foreach $p (keys(%PREFIX)) {
$new =~ s|^$p|$PREFIX{$p}|;
}
$SUBST{$old} = $new;
}
}
close(CFG);
# create the C header file
open(FP, ">$header") || die;
print FP <<'EOT';
/*
** apapi_compat.h -- Apache API symbol space
** backward compatibility defines
**
** INCLUDE THIS HEADER FILE ONLY IF YOU REALLY NEED
** BACKWARD COMPATIBILITY FOR USED API SYMBOLS.
*/
#ifndef APAPI_COMPAT_H
#define APAPI_COMPAT_H
/*
* Mapping of Apache 1.2 symbols to
* official Apache 1.3 API symbols
*/
EOT
$apapiprefix = $PREFIX{'API_'};
foreach $s (sort(keys(%SUBST))) {
$n = $SUBST{$s};
next if ($n !~ m|^$apapiprefix|);
printf(FP "#define %-30s %s\n", $s, $n);
}
print FP <<'EOT';
/*
* Mapping of symbols which are private
* to Apache httpd and should not be considered
* part of the public API
*/
#ifdef APAPI_STRICT
EOT
foreach $s (sort(keys(%SUBST))) {
$n = $SUBST{$s};
next if ($n =~ m|^$apapiprefix|);
printf(FP "#define %-30s %s\n", $s, "DO_NOT_USE_$s");
}
print FP <<'EOT';
#else /* APAPI_STRICT */
EOT
foreach $s (sort(keys(%SUBST))) {
$n = $SUBST{$s};
next if ($n =~ m|^$apapiprefix|);
printf(FP "#define %-30s %s\n", $s, $n);
}
print FP <<'EOT';
#endif /* APAPI_STRICT */
#endif /* APAPI_COMPAT_H */
EOT
close(FP);
|
